# Agent Trust Hub

Agent Trust Hub is a bilingual AI-product directory. ATH Transparency Index is a 0–100 evidence-transparency signal; User Rating is a separate 1–5 signal shown only when eligible reviews exist.

## Start here
- [Russian catalog](https://agenttrusthub.cc/catalog)
- [English catalog](https://agenttrusthub.cc/en/catalog)
- [Methodology](https://agenttrusthub.cc/methodology)
- [Developer guide](https://agenttrusthub.cc/developers.md)
- [Universal AI instruction](https://agenttrusthub.cc/skill.md)
- [LLM discovery index](https://agenttrusthub.cc/llms.txt)

Use athTransparencyIndex with athTransparencyCoverage, athTransparencyVersion, agentTrustCriteria, freshness, price evidence, and cited sourceUrl values. Never convert ATH Index into stars.